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Below are the major types of PTA with abbreviation and indication of well flow status during the test:
Objectives
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Primary deliverables | Math Symbol | Conditional Deliverables | Math Symbol |
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Current formation pressure | | Initial formation pressure assuming no or little historical interference with offset wells | |
| | Formation damage as permeability deterioration assuming damage penetration is known Formation damage penetration assuming damage value is known Fracture-network development around the well |
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Formation transmissibility | | Permeability assuming flowing thickness is known Flowing thickness assuming permeability is known Water-oil column assuming permeability and flowing thickness are both known | |
Minimum drainable volume around the well | | Minimum hydrocarbon reserves around the well Drainage area around the well assuming flowing thickness is known Flowing thickness assuming the drainage area around the well is known Boundary proximity assuming the circular boundary | |
Minimum drainable area around the well | | Half-size of drainage area providing the shape of the drainable area is known |
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| LaTeX Math Inline |
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body | PSS, \, SS, \, BAFFLE |
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Effective horizontal section | |
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Dynamic fracture opening threshold | |
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Proximity of the remote reservoir composition Transmissibility of the remote reservoir composition | | Channel width and proximity to its nearest boundary Proximity to oil-water front Proximity to oil-gas front |
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Scanning area around the well | | Scanning radius of the area around the well assuming radial isobaric propagation |
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